Updated Docker image for Alfresco monitoring with Alfresco Search Services

During last days of summer, I took some time to update the Docker and Vagrant images for Alfresco monitoring setup with Nagios / Icinga, adding support for Alfresco Search Services and also PNP4Nagios for having some visualizations. In the provided configuration, I created a new host for Alfresco Search Services, and a sample configuration for the most useful services for monitoring SOLR 6: core index errors, average measured times for SOLR handlers or caches hitradios. The sample......